title: Botulinum toxin type A and tension-type headache.
mesh_terms: D019274:Botulinum Toxins, Type A / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D015201:Meta-Analysis as Topic; D009465:Neuromuscular Agents / Q000009:adverse effects / Q000627:therapeutic use*; D018570:Risk Assessment; D018781:Tension-Type Headache / Q000188:drug therapy*
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A